Water is necessary for carrying nutrients to your cells, flushing bacteria from your system, preventing dehydration, and replacing fluids lost from sweating, but you may not need to drink as much as you thought.
Stephen R. Daniels. pediatrician. No. You shouldn't give your newborn water or sugar water. And if you're feeding powdered or concentrated formula to your baby, never dilute it with more than the amount of water called for on the label. Your infant will get all the necessary hydration from breast milk or formula.
For newborns (especially under 4-5 weeks), water supplements can be risky. 1  Babies under two months should not be given supplemental water. 2  Water supplements are associated with increased bilirubin levels (jaundice), excess weight loss, and longer hospital stays for newborns.